Machine for cutting embroideries.



A, TSCPIERNE. MACHINE FOR CUTTING EMBROIDERIES. APPLICATION FILED SEPT. I2, 1911 1,025,491 Pamtea May 7,1912.

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A. TSCHERXB,

MACHINE FOR CUTTING BMBPMUEHIES.

AEPLIUAMON FILED 12. 1911 1,025,491 Patented May 7, 1912,

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: Inw/zfw? A. TSCHERNE. MACHINE FOR CUTTING EMBROIDERIES. APPLICATION TILED SEPT.12,1911.

1,025,491 Patented May 7, 1912 4 SHEETS-SHEET 3.

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A TSCHERNE.

MACHINE FOR CUTTING EMBROIDERIES.

APPLICATION FILED SEPT. 12, 1011 Patented May 7, 1912.

4 SHEETSSHEET 4 mmm m 111221121112 .Subject, of the Emperor of ALOIS TSCHERNE, 0F RORSCHACH, SWI'EZERLANI),

BSSIGNOR TO .EZRM OF L'EiENRI LEVY, OF RORSCHAiTIH, SVIITZERLAND.

MAGHINE v FOR CUTTING EMBROIDERIES.

Application filed September To all whom it may, concern:

Be it known that l, lmis Tscnizami, e .inst riai lungary, residing at Rorschach, Hatenplatz, Swimer land, have invented new provements in Machines for Cuttin Inibroiderics: and I do hereby dcclare'tlie foilowing to he a full. clear. and. exact description of the invention, such as \vili enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings. and to letters or figuresoi reference marked thereon, which form a part of this specification.

My invention relates to a device forfeeding the fabric to the knii'c of machines for cutting embroidery foumlation; Both p0 t-ions, the embroidered as well as the unembroidered portion' are seized hy the feeding means and moved forward whereby the feeding means can be adjusted so that they act as fabric stretcher in the direction of the width'of the material.

According to this invention the distance of the four ends of the stretching means in the direction of the width ofthe material can be adjusted equally and simultaneously.

A form of execution of the device according to this invention is shown in the accompanying drawings in which-' Figure 1 shows in elevation and )arti) in section a machine for cutting em roideries provided with a device according to this invention, Fig. 2 shows the sanie in side elevation, partly partly in section, Fig. 4 is an eniargcd plan view of a part of the machine, Fig. 5 is a cross section through arts of the machine in an enlarged scale, iig. ti is an clcvation of parts of the machine in an enlarged scale, Fig. 7 shows aection on line AB of Fig. 6 in an enla d scale, Fig. 8 illustrates the working oi tic knife.

A horizontal plate or table 2, which is Shown only in Fig. mounted on the frame 1 of the machine. An arm 5 slidably supported by hearings .l and 4 on horilontal rods 6 and 7 and by screws 8. The arm .3 progects over the table 2 and carries a vcri'i ali movable and fixable vertical guide plate 9, to which is pivoted on each vside t1 lever 11.

ixed to the latter and useful int i I l i in section, Fig. 3 in plan Snecifieat'ion oi Letters Patent.

I 1 l I 1 I i j l i l l i i i i l i l Studs of i Q the iei'ers ii are free to t= Pzitentez Mn 5' 2', 1912.

22, 1911. Serial No. 648,5;S3.

of two he mntal clamping p isoth the lever-5 l1 areeonnccted to t l: other h oits 12 and actuated by a spring 11* A vcr i4 is also pivotally supported by the guide plate 9 and carries a horizontai plate 15. A spring 16 acts on thin lever. A bracket 17 secured to the frame 3 is provided with a bearing 18, in which an axle 19 is sup iorted and prevented from moving in axial direction. An arm 28 semred to'the aide i9 rotate iy supports a pressing device consisting of a shoe 21, around which passes an endless apron 22 with roughed surface. A fork shaped support 2! to which is pivotally eonnecteda {ever Z is .siidably mounted on the axle 19. The iever 24 carries a second pressing device c nais iin of. a s cc 2? around which pa an enhiese apron 2 also provided with a roughed surface. A screw spindle 28 engages a projection 524" of the support 23. The spin iile is; immovable in axial direction and su i'iported 2S) :(X'ill'tffi to the axle i9." A

by a hearing I30 15 fixed to the spindle. The

hand-wheel shoe 2-7 can he laterally displaced by turning the hand-\vheei'lt). An axle connecte' the lever 24 to the support 23 and carries a hand-Wheel 34 and an'adjustahle ring 31 to which is secured one end of a spring 32 the other end of which presses ainst the lever 24. The connecting axle is prevented by a act-scrim 3.3 from being turned by the spring 32. After the set-screw is looscncd the tcnsioh of the spring 32 can be ad-- jilslet by turning the hand-wheel 34. The arm 20 is connected to the support; 23 by an axle 36. To the latter is secured a hand lever 37 provided with a none 38 which engages a projection 39 of :1 part 40 connect ing the axles 36 and 19 to each other. By reversing the hand lever 37 both the shoes Q1 and 25 can he lifted at the same time. A spring lever '42 with a nosel is mounted on the hand lever 37. For securing the shoes 21 and 25 in a raised position the nose 41 can be turned and fixed behind a. stop 43 mounted on the arm 5.

i A guide 47 is provided in a plate 44' mounted on the frame I. A support 46 is movable in the guide 47 by means of a screw '48 with hand-Wheel 49 whiie another the supports are provided on the top with the. scallops.

' liqu'ely to the .direction of ill. aprons and 20, are not parallel to each other but diverge in the direction in which the fabric is to be moved.

The conveying chains 53, 54 are mounted on sprocket wheels 55 and engage the fabric in two straight lines. Motion is imparted to said chains by drive chains 56 which connects sprockets 57, 57 mounted respectively on a drive shaft 58, and the shaft 55' on which two of the sprocket wheels 55 are mounted. The shaft 58 may be driven either by a pulley 59 or a hand wheel 60.

In order that the distance between the conveycr chains 53, 51 may be altered the sprocket wheels, on which the chain 54 is mounted, are slidably mounted on their shafts, which are perpendicular to the direc tion of travel of the fabric, and said wheels are connected with the adjustable support it) by means of forked extensions 46' on the latter which extensions engage grooves 55" formed on the hubs of the two sprocket wheels whi h carry the chain -5-'-l ()n the support 4-3 is fixed'a bearing (ll having a \'(l'll(':ll bore in which is pivoted at one end a horizontal oscillatory support UL, the other end of which support is provided with a vertical stud (32 which projects into the slotted end of a guide (it fixed to the movable support 46.

' knife holder is provided with a vertical spindle which is journaled in the horizontal support ()2 and said holder can be clamped in the latter by a set screw ()6 engaging the spindle. A knife ()7 is rigidly connected to the holder ("'5 to which latter is pivotcda plate on which forms with the cutting edge of the knife a longitudinal slot which allows only the iion-embroidered portion of the fabric to pass. The plate (if) is adjustable relatively to the holder 65 by means of a. screw (58 (Fig. 7) between the head of which and the plate is interposed a tlatv spring which facilitates to hold the plate in its adjusted position.

The horizontal knife (37 is arranged ob- 22, 26 and the feeding means 53, 54. and is immovable. during the cutting. By the means described, the position of the knife relatively to the aprons and feeding means can be adjusted exactly at't'ol'tliiig, to the height of lty turning the hand wheel 49 the distance of the two conveying chains 52, fi-t as well as the angle formed by the knife and the conveying chains are adjustable at the same. time.

The brush "(0 to which motion is imparted by a rope drive 7t from the main shaft 538,

moves the edge y of the embroidery against the plate 9. The fabric is guided between the table 2 and the plate 9 as well as between the clamping plates 10 and 13 (Fig. 8) and fed between the apronsand 25,between the conveying chains 5;) and at (Fig. 5)

and through the knife carrier 65 (Fig. 7). liy this means the fabric is out along the edge 3/ of the embroidery (Fig. 8).

What I claim is:

1. In a machine for cutting embroidery background along the edge of the embroidery, the combination with a stationary knife, of means to feed the embroidered material in a straight line along the knife, said means stretching the material in straight lines in the direction of the width of the material.

2. In a machine for cutting embroidery background along the edge of the embroidery. the combination with a stationary knife, of a feeding mechanism for the embroidered fabric comprising two pairs of superposed feed members adapted to engage both sides of the embroidery, and means to adjust bodily one pair of members perpendicular to the direction of movement of the fabric.

3. In a. machine for cutting embroidery background along the edge of the embroidery, the combination with a stationary knife. of means to feed the embroidery along the edge of the knife comprising endless carriers, supports on which said carriers travel, and means to adjust. one of said supports and carriers wrpendicular to the direction of travel of the fabric.

4. In a machine for cutting embroidery background along the edge of the embroidery, the combination with a stationary knife of means to feed the embroidery along the edge bf the knife comprising endless carriers, supports on which said carriers travel. means to adjust one of said supports and carriers perpendicular to the direction of travel. of the fabric, and means to press the fabric onto the carriers.

5. In a machine for cutting embroidery background along the edge of the embroidery, the combination with a stationary knife of means to feed the embroidery along the edge of the knife comprising endless carriers, supports on which said carriers travel. means to adjust. one of said supports and carriers perpendicular to the direction of travel of the fabric, means to press the fabric onto the carriers, and means to adjustone of the pressing means with the adjustable carrier perpendicular to the direction of movement of the fabric.

('1. In a machine for cutting embroidery background along the edge of the embroidery. the combination with a stationary knife. of a support mounted on each side of the knife, an endless carrier traveling in a groove formed in each support, and means to ad ust one of said supports and carrier substantiall perpendicular to the direction of travel 0 the carrier.

7. In a machine for cutting embroidery background along the edge of the embroider the combination with a stationary knife, of a support mounted on each side of the knife, an endless carrier traveling in a roove formed in each support, means to ad just one of said supports and carrier substantially perpendicular to the direction of travel of the carrier, pressing members mounted above the carriers and adapted to rest thereon, and means to adjust one of said members parallel to the adjustable carrier.

8. In a machine-for cutting embroidery background along the edge of the embroidery, the combination with a stationary knife, a fixed support on one side of the knife, a movable support on the other side of the latter, endless chains movable in longitudinal grooves formed in said supports and adapted to feed a fabric along the edge of the knife, pressing members parallel to and adapted to press the fabric onto the carriers, and means to adjust the movable support perpendicular to the direction of travel of the carrier.

9 In a machine for cutting embroidery background along the edge of the embroidery, the combination with a stationary knife, a fixed support on one side of the knife, a movable support on the other side of the latter, endless chains movable in longitudinal grooves formed in said supports and adapted to feed a fabric along the edge of the knife, pressing members parallel to and adapted to press the fabric onto the carriers, means to adjust the movable support perpendicular to the direction of travel of the carrier, and means to adjust one of the pressing members parallel to the adjustable carrier.

10. In a machinc for cutting embroidery background a ong the edge of the embroidcry, the combination with a stationary knife. an endless chain having a roughened surface mounted on each side of the knife, a support for each chain having a groove in which the latter travels, shafts mounted transversely of the supports, sprockets lixcd on the shafts carrying one of said chains, sprockets slidablc on the shaft carrying the othcr chain, means to adjust one of the supports perpendicular to the direct ion of travel of the chain. and means to connect the ad justable support to the slitlablc sprockets.

11. In a machine for cutting embroider background along the edge of the embroi 1 ery, the combination with a stationary knife, an endless chain having a roughened surface mounted on each side of the knife, a support for each chain having a groove in which the latter travels, shafts mounted transversely of the supports, sprockets fixed on the shafts carrying one of said chains, sprockets slidable on the shaft carrving the other chain, means to adjust one of the supports perpendicular to the direction of travel of the chain, means to connect the ad justable support to the slidable sprockets, endless pressing members adapted to rest. on the chains, and means to adjust one of the pressing members parallel to the adjustable chain.

12. In a machine for cutting embroidery background, the combination witha fixed support, a support movable to and from the latter and a horizontal knife pivotally connected with said supports, of a shaft at each end of the supports. sprockets fixed on the shafts at each end of the fixed support, sprockets slidably mounted on the shafts at each end of the movable support, and connected with the latter, endless conveyer chains mounted on the sprockets, and means to adjust the movable support perpendicular to the direction of travel of the chain on the slidable sprockets.

13. In a machine for cutting embroidery latckground, the combination with a fixed support, :esupport movable to and from the latter and a horizontal knife pivotally connccted with said supports, of a shaft at each end of the supports. sprockets fixed on the shafts at each end of the fixed support, sprockets slidably mounted on the shafts at each end of the movable support, and conncctcd with the latter, endless conveyer chains mounted on the sprockets, means to adjust the movable support perpendicular to the direction of the chain on the slidable sprockets, endless pressing members running parallel to and cooperating with the chains, and means to adjust one of the press ing mcmbcrs parallel to its cooperating chain.

ln testimony that I claim the foregoing t as my invention. 1 have signed my name in pt'cscncc of two subscribing witnesses.

, ALUIS TSCHERNE.

Witnesses: llironxr: Nxnnn, nmcn'r lninmrs. 

